Shower curtain hook



FIG. 1 is a front perspective view of a shower curtain hook in accordance with our new design;

FIG. 2 is a front elevational view thereof, a rear elevational view thereof being identical;

FIG. 3 is a left side elevational view thereof, a right side elevational view being identical;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines in the figures are to illustrate environmental structure only and form no part of the claimed design. 

CLAIM The ornamental design for a shower curtain hook, as shown and described. 